package org.groovymud.object.trappings;

import java.util.HashSet;
import java.util.Set;

import org.groovymud.object.AbstractMudObject;
import org.groovymud.object.alive.Alive;
import org.groovymud.object.combat.AbstractAttack;
import org.groovymud.object.combat.Defence;

/* Copyright 2008 Matthew Corby-Eaglen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0 
 *
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */
public abstract class AbstractWeapon extends AbstractMudObject implements Holdable {

    boolean wielding;

    private Set<AbstractAttack> attacks;
    private Set<Defence> defences;

    public abstract void doWield(Alive alive);

    public abstract void doLower(Alive alive);

    public Set<AbstractAttack> getAttacks() {
        if (attacks == null) {
            attacks = new HashSet<AbstractAttack>();
        }
        return attacks;
    }

    public void setAttacks(final Set<AbstractAttack> attacks) {
        this.attacks = attacks;
    }

    public boolean isWielding() {
        return wielding;
    }

    public void setWielding(final boolean wielding) {
        this.wielding = wielding;
    }

    public boolean addAttack(final AbstractAttack o) {
        if (attacks == null) {
            attacks = new HashSet<AbstractAttack>();
        }
        return attacks.add(o);
    }

    void setDefences(final Set<Defence> defences) {
        this.defences = defences;
    }

    @Override
    public Set<Defence> getDefences() {
        if (defences == null) {
            defences = new HashSet<Defence>();
        }
        return defences;
    }

}
